Julie O'Brien

Holland

Bib: 35486 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 35%

Gender (Female)

#0 / 24561

Top 23%

Masters (Masters Women)

#0 / 9409

Top 19%

Division (F50-54)

#0 / 1771

Top 16%

Race Day Weather

54°/44°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

600 ft elev

5K· 3.11 mi

8:44/mi

27:08

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:44/mi

54:15

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:35/mi

1:20:54

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:39/mi

1:47:47

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:48/mi

1:53:47

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:43/mi

2:14:56

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:45/mi

2:42:07

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:43/mi

3:09:12

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:00/mi

3:37:09

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:07/mi

3:49:35

↑ 23 ft↓ 20 ft

606 ft elev

Course Elevation

227ft

Total climb

32ft

Range

589 to 621 ft

221ft

Total descent

About the height of a three-story building

The Course

Half Splits

1st Half· via Half

1:53:478:41 /mi⚡ faster

2nd Half

1:55:488:50 /mi+1.8%

Positive split — 1.8% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	27:08	8:44	3.11 mi	27:08	8:44	-
10K	54:15	8:44	3.10 mi	27:07	8:44	0:00
15K	1:20:54	8:41	3.11 mi	26:39	8:35	-0:09
20K	1:47:47	8:40	3.11 mi	26:53	8:39	+0:04
Half(13.11 mi)	1:53:47	8:41	0.68 mi	6:00	8:48	+0:09
25K	2:14:56	8:41	2.42 mi	21:09	8:43	-0:05
30K	2:42:07	8:42	3.11 mi	27:11	8:45	+0:02
35K	3:09:12	8:42	3.11 mi	27:05	8:43	-0:02
40K	3:37:09	8:44	3.10 mi	27:57	9:00	+0:17
Finish(26.22 mi)	3:49:35	8:46	1.37 mi	12:26	9:07	+0:07

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:35 /mi

Average Pace

8:46 /mi

Slowest Pace

9:07 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:37:09

95% of race

Time at Steady Pace

12:26

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	22309	6535	384	22380	6451	380
10K	3.10 mi	22200+109	6490+45	374+10	22266	6519	374
15K	3.11 mi	22185+15	6464+26	370+4	22380	6451	380
20K	3.11 mi	21920+265	6340+124	359+11	21417	6104	332
Half(13.11 mi)	0.68 mi	21841+79	6313+27	359	21213	6063	321
25K	2.42 mi	21600+241	6232+81	350+9	20967	6033	329
30K	3.11 mi	20931+669	6033+199	332+18	18717	5311	252
35K	3.11 mi	20004+927	5733+300	298+34	16247	4638	192
40K	3.10 mi	19059+945	5511+222	280+18	15302	4727	201
Finish(26.22 mi)	1.37 mi	19035+24	5568-57	284-4	19286	6721	325

6721

Passing Analysis

No position changes recorded for this athlete.

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All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing